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10 questions from this quiz
measured size×scale valuescale length\frac{\text{measured size} \times \text{scale value}}{\text{scale length}}scale lengthmeasured size×scale value
1000 nm
Sum of all valuesNumber of values\frac{\text{Sum of all values}}{\text{Number of values}}Number of valuesSum of all values
Number with featureTotal×100\frac{\text{Number with feature}}{\text{Total}} \times 100TotalNumber with feature×100
1000 μm\mu mμm
It neutralises acid spills
Away from yourself and others
Never leave them unattended
When working with hazardous chemicals or gases
When working with chemicals or heating
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